Tungsten bolts, Tungsten fastener Material : Pure W purity:ã??99.95%ã??W size: M2 â?? M90 Surfaceï¼?Polishing Main Item / Productï¼?titanium foil/titanium bar/Titanium tubetitanium fastener/Zirconium sheet/Zirconium tube/Zirconium bar/Tungsten plate/Tungsten Bar/Tungsten fastener/Molybdenum sheet/Molybdenum rods/molybdenum wire/Tantalum sheet/Tantalum strip/Tantalum rod/Tantalum wire/Tantalum tube/Niobium sheet/Niobium foil/Niobium tube/Niobium bar /Niobium wire/Cobalt wire/Cobalt rod/ Cobalt plate/Evaporation Pellets & Pieces/Crucibles/Pure metal and metal alloy sputtering target material